Membrane electrode assembly having annealed polymer electrolyte membrane
US6649295B2 · kind B2 · utility
17Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2001 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Dec 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49112
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A membrane electrode assembly (MEA) is provided which comprises an annealed polymer electrolyte membrane (PEM). Additionally, the MEA may include annealed catalyst layers annealed in contact with the annealed PEM. Additionally, methods of manufacture are provided. MEA's according to the present invention may be used in an electrochemical cell, such as a hydrogen fuel cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.